Samsung LS20HABKBQ-XAA - Manual (Page 65)

noise, video mode not supported, etc. In this case, first check the source of the problem, and
then contact the Service Center or your dealer.
z
Judging the monitor's working condition
If there is no image on the screen or a "Not Optimum Mode","Recommended Mode : 1600 X
1200 60Hz" message comes up, disconnect the cable from the computer while the monitor is still
powered on.
{
If there is a message coming up on the screen or if the screen goes white, this means the
monitor is in working condition.
{
In this case, check the computer for trouble.